Elucidation of the roles of neuromusculoskeletal systems for traversability and robustness in locomotion based on a constructive approach

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To clarify the roles of neuromusculoskeletal systems for traversability and robustness in locomotion, we conducted the following two approaches; 1. Analysis of measured data for humans, monkeys, and rats to investigate their motor functions and 2. Constructive approach using neuromusculoskeletal models and robots to evaluate the functional roles of neuromusculoskeletal systems. From the analysis of humans, we elucidated the phase modulation mechanism by identifying the phase response curve during walking. From the analysis of monkeys, we found the roles of the primary and supplementary motor areas during quadrupedal and bipedal locomotion. From the analysis of rats, we clarified the roles of the cerebellar cortex during stepping over an obstacle during walking. For the constructive approach, we evaluated the contribution of neural control system to traversability and robustness in locomotion using a neuromusculoskeletal model of rats and a biped robot.